995996565 has 24 divisors (see below), whose sum is σ = 1731864888. Its totient is φ = 529514880.

The previous prime is 995996497. The next prime is 995996579. The reversal of 995996565 is 565699599.

It can be written as a sum of positive squares in 4 ways, for example, as 33942276 + 962054289 = 5826^2 + 31017^2 .

It is not a de Polignac number, because 995996565 - 2⁷ = 995996437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20646 + ... + 49175.

It is an arithmetic number, because the mean of its divisors is an integer number (72161037).

Almost surely, 2^995996565 is an apocalyptic number.

It is an amenable number.

995996565 is a deficient number, since it is larger than the sum of its proper divisors (735868323).

995996565 is a wasteful number, since it uses less digits than its factorization.

995996565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70149 (or 70146 counting only the distinct ones).

The product of its digits is 29524500, while the sum is 63.

The square root of 995996565 is about 31559.4132550021. The cubic root of 995996565 is about 998.6637368628.

The spelling of 995996565 in words is "nine hundred ninety-five million, nine hundred ninety-six thousand, five hundred sixty-five".